On my new-to-me 89 325i sedan, the CM5908 was mostly non-functional. Probably aging capacitors, etc. I took it out and will consider how to refurbish that later. Hard to tell what this car came with originally. It has no in-dash fader, also no amp, but does have the 2-ch to 4-ch adapter connector. So strange, but hey, that’s what happens over 30 years.
All I want is bluetooth streaming audio, so I grabbed this el-cheapo ($26US) bluetooth amplifier board (https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1) and the OEM stereo delete panel (https://www.ecstuning.com/b-genuine-...l/64111368515/).
Spade connectors to wire in to switched power + ground, and I spliced into the L/R front speakers. Weirdly, sound is coming out of all 4 speakers. Someone probably changed the wiring behind the dash when they removed the fader knob. Who knows. It works, and the amp doesn’t overheat even though it’s a 2ch amp driving 4 speakers. Will keep an eye on it.
Bluetooth board comes on almost instantly, and I can have streaming music by the time the car starts. Perfect. Super clean install with the stereo delete panel!
All I want is bluetooth streaming audio, so I grabbed this el-cheapo ($26US) bluetooth amplifier board (https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1) and the OEM stereo delete panel (https://www.ecstuning.com/b-genuine-...l/64111368515/).
Spade connectors to wire in to switched power + ground, and I spliced into the L/R front speakers. Weirdly, sound is coming out of all 4 speakers. Someone probably changed the wiring behind the dash when they removed the fader knob. Who knows. It works, and the amp doesn’t overheat even though it’s a 2ch amp driving 4 speakers. Will keep an eye on it.
Bluetooth board comes on almost instantly, and I can have streaming music by the time the car starts. Perfect. Super clean install with the stereo delete panel!
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